CopyOnWriteArrayList — это
🔹 Чтение (get, contains) выполняется
🔹 Запись (add, set, remove) создает
— Отлично подходит для сценариев, где
— Не требует
— При больших объемах данных запись
— Итераторы работают с старой версией массива, поэтому
BY Библиотека собеса по Java | вопросы с собеседований
Mr. Durov launched Telegram in late 2013 with his brother, Nikolai, just months before he was pushed out of VK, the Russian social-media platform he founded. Mr. Durov pitched his new app—funded with the proceeds from the VK sale—less as a business than as a way for people to send messages while avoiding government surveillance and censorship.
With the help of the Search Filters option, users can now filter search results by type. They can do that by using the new tabs: Media, Links, Files and others. Searches can be done based on the particular time period like by typing in the date or even “Yesterday”. If users type in the name of a person, group, channel or bot, an extra filter will be applied to the searches.
Библиотека собеса по Java | вопросы с собеседований from pl